Hammer head



FIG. 1 is a front-right-top perspective view of a hammer head showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is another perspective view thereof showing a hammer head equipped with the grip handle.

The broken lines depict portions of the hammer head in which the design is embodied that are not considered part of the claimed design. 

CLAIM The ornamental design for a hammer head, as shown and described. 